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Ksju [112]
3 years ago
12

4 steps for Gene cloning

Biology
1 answer:
Marat540 [252]3 years ago
5 0

Step 1: Isolate the two kinds of DNA.

Step 2: Treat the plasmid and foreign DNA with the same restriction enzyme.

Step 3: Mix the foreign DNA with chopped plasmids.

Step 4: Add DNA ligase.

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A) In how many cases in the genetic code would you fail to know the amino acid specified by a codon if you knew only the first t
Vesna [10]

Answer:

a) 28 cases

b)  3 cases

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a) From the table of genetic codes, there are 28 codons that specify more than one amino acid assuming only the first two nucleotides are considered. In these cases, one cannot outrightly specify the amino acid the genetic codes are coding for without knowing the last nucleotide of the codes. <em>For example, UU can be for Phenylalanine or Leucine, CA can be for Histidine or Glutamine, etc. </em>

b) From the table of genetic codes, the first two nucleotides of Arginine can be either of CG or AG, that of Serine can be either of UC or AG while that Leucine can be either of CU or UU. Only in these <u>3 cases</u> would one fail to know which are the first two nucleotides assuming the name of the amino acids are given.

<em>See the attached image for the genetic code.</em>

7 0
3 years ago
Scenario 1
velikii [3]

The population of Green-feathered birds decreases due to prefer other colour of male birds.

<h3>Why the population of Green-feathered birds decreases?</h3>

Green-feathered birds are becoming less and less common because of the female bird that choses the blue and red colour male for mating instead of green so that's why the population of Green-feathered birds decreases.

Learn more about mechanism here: brainly.com/question/1320373

3 0
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